Home / 113,918,960.61-157,208,920.47-61,707,996.27

Finding the Fourth Proportional to 113,918,960.61, 157,208,920.47 and 61,707,996.27

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Solution

The fourth proportional to 113,918,960.61, 157,208,920.47 and 61,707,996.27 is: 85,157,443.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,918,960.61 : 157,208,920.47 = 61,707,996.27 : x
  2. Step 2: Convert to fraction form
    113,918,960.61/157,208,920.47 = 61,707,996.27/x
  3. Step 3: Cross multiply
    113,918,960.61x = 157,208,920.47 × 61,707,996.27
  4. Step 4: Simplify right side
    113,918,960.61x = 9,701,047,477,973,488
  5. Step 5: Solve for x
    x = 9,701,047,477,973,488/113,918,960.61
  6. Step 6: Final answer
    x = 85,157,443.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.